/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.sdd.dispatchers;

import com.sdd.facades.view.CustomerViewFacade;
import com.sdd.plains.CustomerPlain;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author T
 */
@WebServlet(name = "LoginDispatcher", urlPatterns = {"/LoginDispatcher"})
public class LoginDispatcher extends HttpServlet {

    @EJB
    CustomerViewFacade customerViewFacade;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
        } finally {
            out.close();
        }


    }

    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //Servira de logout
        request.getSession().removeAttribute("customer");
        request.getSession().invalidate();
        response.sendRedirect("/SDDStore-war/");
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        if (request.getParameter("login") != null && request.getParameter("pass") != null) {
            CustomerPlain customer = customerViewFacade.getCustomerByLogin(request.getParameter("login"));
            if ((customer != null) && (customer.getPass().equals(request.getParameter("pass")))) {
                request.getSession().setAttribute("customer", customer);
                response.sendRedirect("/SDDStore-war/");
            } else {// pass malo
                out.print("<script type=\"text/javascript\">alert('Usuario o password incorrecto');</script>");
                response.sendRedirect("/SDDStore-war/");
            }
        } else {//algún dato es nulo
            out.print("<script type=\"text/javascript\">alert('Usuario o password incorrecto');</script>");
            response.sendRedirect("/SDDStore-war/");
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
